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How to toggle character case in PHP without strlower, strupper & ucfirst (inbuilt) and Array function

  • April 2, 2012
  • Interview, PHP
  • 1 Comment
  • Ramesh

Toggling between upper and lower case letter is quite challenging.  There is a PHP inbuilt function’s which can do this operation  PHP: strtoupper – Manual , PHP strtolower() Function & PHP: ucfirst – Manual , the real challenge would be you have to toggle case of the given word without using PHP built in function … Continue Reading

How to reverse a string in PHP without strrev(inbuilt) and Array function

  • March 28, 2012
  • Code, General, Interview
  • 3 Comments
  • Ramesh

Reverse a string in PHP is pretty simple.  PHP provides inbuilt function to reverse a string PHP: strrev – Manual but knowing the logic of how it works is very simple and interesting. In the interview you may come across “Write a PHP function which should reverse the given string, condition u should not use … Continue Reading




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